Baba, K., Sugimoto, Y., Moriyama, K., Kumazawa, K., Sugimoto, T., Yamazaki, Y., & Takeda, A. (2024). Long-term cryopreserved umbilical cord derived mesenchymal stem cells: A study on their safety. Medical Research Archives, 12(10). doi:10.18103/mra.v12i10.5944